Microtus chrotorrhinus (rodent)

Mass: 33.0 g based on Timm 1974

Abundance: 0.10 to 9.09% (median 0.26%)

Latitudinal range: 38.4° to 48.0°

Habitats: (6), temperate broadleaf/mixed forest (2), temperate coniferous forest (1)

Found in 9 samples

Canada: Gogama, Keffer (Midden 57, screened), Keffer (Midden 57, floated), Caverne de la Mine (lower infill)

United States: MacIntyre Development (forest habitats), Grand Marais, Bootlegger Sink, New Paris Sinkhole No. 4, Natural Chimneys

Size measurements:
♀ body mass33.0 gN = 1Timm 1974
♀ total body length160 mmN = 1Timm 1974
total body length161 mmN = 1Komarek 1932
♀ tail length46 mmN = 1Timm 1974
tail length44 mmN = 1Komarek 1932
♀ hind foot length21 mmN = 1Timm 1974
hind foot length22 mmN = 1Komarek 1932
♀ ear length16 mmN = 1Timm 1974
♀ skull length26.1 mmN = 1Timm 1974
skull length25.8 mmN = 7Komarek 1932
skull length23.9 mmN = 7Komarek 1932
skull length26.5 mmN = 1Komarek 1932
skull width14.3 mmN = 7Komarek 1932
skull width13.2 mmN = 7Komarek 1932
skull width15.2 mmN = 1Komarek 1932
♀ upper tooth row length6.3 mmN = 1Timm 1974
upper tooth row length6.5 mmN = 7Komarek 1932
upper tooth row length5.9 mmN = 7Komarek 1932
upper tooth row length7.1 mmN = 1Komarek 1932

See also Microtus, Microtus agrestis, Microtus arvalidens, Microtus arvalis, Microtus arvalis-agrestis, Microtus arvalis/agrestis, Microtus brecciensis, Microtus californicus, Microtus deucalion, Microtus ex gr. huescarensis-brecciensis, Microtus fortis, Microtus gr. multiplex-subterraneus, Microtus gracilis, Microtus gregalis, Microtus gregaloides, Microtus guentheri, Microtus hyperboreus, Microtus limnophilus, Microtus longicaudus, Microtus maximowiczii, Microtus mexicanus, Microtus miurus, Microtus montanus, Microtus montebelli, Microtus nutiensis, Microtus ochrogaster, Microtus oeconemus, Microtus oeconomus, Microtus oregoni, Microtus pennsylvanicus, Microtus pinetorum, Microtus savii, Microtus socialis, Microtus sp., Microtus spp., Microtus subterraneus, Microtus xanthognathus